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Proceedings Paper

Nanofluidic tuning of photonic crystal circuits
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Paper Abstract

By integrating soft-lithography-based nanofluidics with silicon nanophotonics, we demonstrate dynamic, liquid-based addressing and high &Dgr;n/n (~0.1) refractive index modulation of individual features within photonic structures at subwavelength length scales. We show ultracompact tunable spectral filtering through nanofluidic targeting of a single row of holes within a planar photonic crystal. We accomplished this with an optofluidic integration architecture comprising a nanophotonic layer, a nanofluidic delivery structure, and a microfluidic control engine. Variants of this technique could enable dynamic reconfiguration of photonic circuits, selective introduction of optical nonlinearities, or delivery of single molecules into resonant cavities for biodetection.

Paper Details

Date Published: 9 February 2007
PDF: 11 pages
Proc. SPIE 6475, Integrated Optics: Devices, Materials, and Technologies XI, 647513 (9 February 2007); doi: 10.1117/12.711490
Show Author Affiliations
David Erickson, Cornell Univ. (United States)
Troy Rockwood, California Institute of Technology (United States)
Teresa Emery, California Institute of Technology (United States)
Axel Scherer, California Institute of Technology (United States)
Demetri Psaltis, California Institute of Technology (United States)


Published in SPIE Proceedings Vol. 6475:
Integrated Optics: Devices, Materials, and Technologies XI
Yakov Sidorin; Christoph A. Waechter, Editor(s)

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